[Milsurplus] Crystal History Book and tips on etching

[David Stinson]

I wrote about doing just that a couple of
weeks ago.  Worked well, surprising me.

On 7/31/2022 5:28 PM, Hubert Miller wrote:
> I think I quoted here before on an article I read, most likely in 'Radio' magazine, or possibly 'Radio News', that even with a piece broken
> off a crystal blank, it could still oscillate at the frequency, still be used...
> -Hue Miller
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